Well, it would get the heat from the 16x port, then.
All the cards are blower-style, I'm not too worried about the heat anyway.
Topic: A PCIe extender on my ASUS Prime Z270-A (Read 92 times)
Top slot, that way you don't have any graphics cards blowing heat on it.
I've had the best luck putting it in the last PCI-E slot. Angry Chicken did an 11 card RX 580 build on that board and used the 8x slot and 4x slot for the PCI-E expansion cards.
So, the answer is "try it and see for yourself, it might work pretty much anywhere" 
Quote
Do I see burnt wood 
I've had the best luck putting it in the last PCI-E slot. Angry Chicken did an 11 card RX 580 build on that board and used the 8x slot and 4x slot for the PCI-E expansion cards.
https://www.youtube.com/watch?v=jMEXK-ty3mE&feature=youtu.be&t=855
https://www.youtube.com/watch?v=jMEXK-ty3mE&feature=youtu.be&t=855
Assuming you had no space constraint, where would you plug your PCIe extender?
https://dlcdnimgs.asus.com/websites/global/products/raDdHADFSa42GEuM/images/mb/mb.png
Better to use a 16x slot? Which one?
https://dlcdnimgs.asus.com/websites/global/products/raDdHADFSa42GEuM/images/mb/mb.png
Better to use a 16x slot? Which one?
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